# 我的方法：
    # a = 'dsadsadisjkal21938u2h132321'
    # c = 0
    # for i in a :
    #     while i.isdigit() :
    #         c = c + 1
    #         break
    # print(c)
# 太白的方法：
    # a = 'dsadsadisjkal21938u2h132321'
    # c = 0
    # for i in a :
    #   if i.isdigit():
    #       c += 1
    # print(c)


    
    